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International Journal of Photoenergy
Volume 2008, Article ID 258631, 8 pages
http://dx.doi.org/10.1155/2008/258631
Research Article

The Effect of Sulphate Doping on Nanosized and Catalysts in Cyclohexane Photooxidative Dehydrogenation

Dipartimento di Ingegneria Chimica e Alimentare, Università di Salerno, Fisciano (SA) 84084, Italy

Received 30 August 2007; Accepted 29 December 2007

Academic Editor: Leonardo Palmisano

Copyright © 2008 P. Ciambelli et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. L. Palmisano and A. Sclafani, “Thermodynamics and kinetics for heterogeneous photocatalytic processes,” in Heterogeneous Photocatalysis, M. Schiavello, Ed., John Wiley & Sons, West Sassex, UK, 1997. View at Google Scholar
  2. G. Martra, S. Coluccia, L. Marchese et al., “The role of H2O in the photocatalytic oxidation of toluene in vapour phase on anatase TiO2 catalyst a FTIR study,” Catalysis Today, vol. 53, no. 4, pp. 695–702, 1999. View at Publisher · View at Google Scholar
  3. G. Marcì, M. Addamo, V. Augugliaro et al., “Photocatalytic oxidation of toluene on irradiated TiO2: comparison of degradation performance in humidified air, in water and in water containing a zwitterionic surfactant,” Journal of Photochemistry and Photobiology A: Chemistry, vol. 160, no. 1-2, pp. 105–114, 2003. View at Publisher · View at Google Scholar
  4. V. Augugliaro, S. Coluccia, V. Loddo et al., “Photocatalytic oxidation of gaseous toluene on anatase TiO2 catalyst: mechanistic aspects and FT-IR investigation,” Applied Catalysis B: Environmental, vol. 20, no. 1, pp. 15–27, 1999. View at Publisher · View at Google Scholar
  5. H. Cui, K. Dwight, S. Soled, and A. Wold, “Surface-acidity and photocatalytic activity of Nb2O5/TiO2 photocatalysis,” Solid State Chemistry, vol. 115, no. 1, pp. 187–191, 1995. View at Publisher · View at Google Scholar
  6. X. Fu, Z. Ding, and W. Su, “Structure of Titania-Based Solid Superacids and Their Properties for Photocatalytic Oxidation,” Chinese Journal of Catalysis, vol. 20, p. 321, 1999. View at Google Scholar
  7. D. S. Muggli and L. Ding, “Photocatalytic performance of sulfated TiO2 and Degussa P-25 TiO2 during oxidation of organics,” Applied Catalysis B: Environmental, vol. 32, no. 3, pp. 181–194, 2001. View at Publisher · View at Google Scholar
  8. T. Tanaka, S. Takenaka, T. Funabiki, and S. Yoshida, “Selective photooxidation of propane to propanone over alkali-ion-modified silica-supported vanadium oxides,” Chemistry Letters, vol. 23, no. 9, p. 1585, 1994. View at Publisher · View at Google Scholar
  9. K. Wada, H. Yamada, Y. Watanabe, and T.-A. Mitsudo, “Selective photo-assisted catalytic oxidation of methane and ethane to oxygenates using supported vanadium oxide catalysts,” Journal of the Chemical Society - Faraday Transactions, no. 94, pp. 1771–1778, 1998. View at Publisher · View at Google Scholar
  10. P. Ciambelli, D. Sannino, V. Palma, and V. Vaiano, “Photocatalysed selective oxidation of cyclohexane to benzene on MoOx/TiO2,” Catalysis Today, vol. 99, no. 1-2, pp. 143–149, 2005. View at Publisher · View at Google Scholar
  11. F. Amano and T. Tanaka, “Propylene oxide synthesis and selective oxidation over supported metal oxide photocatalysts with molecular oxygen,” Chemistry Letters, vol. 35, no. 5, pp. 468–473, 2006. View at Publisher · View at Google Scholar
  12. X. Li and C. Kutal, “Photocatalytic selective epoxidation of styrene by molecular oxygen over highly dispersed titanium dioxide species on silica,” Journal of Materials Science Letters, vol. 21, no. 19, pp. 1525–1527, 2002. View at Publisher · View at Google Scholar
  13. P. Ciambelli, D. Sannino, V. Palma, S. Vaccaro, and V. Vaiano, “Selective oxidation of cyclohexane to benzene on molybdena-titania catalysts in fluidized bed photocatalytic reactor,” Studies in Surface Science and Catalysis, vol. 172, p. 453, 2007. View at Google Scholar
  14. P. Ciambelli, D. Sannino, V. Vaiano, V. Palma, and S. Vaccaro, “Catalyzed photooxidative dehydrogenation of cyclohexane to benzene in a fluidized bed reactor,” in Proceedings of the 7th World Congress of Chemical Engineering, Glasgow, UK, July 2005.
  15. P. Ciambelli, D. Sannino, V. Palma, and V. Vaiano, “Cyclohexane photocatalytic oxidative dehydrogenation to benzene on sulphated titania supported MoOx,” Studies in Surface Science and Catalysis, vol. 155, pp. 179–187, 2005. View at Google Scholar
  16. P. Ciambelli, D. Sannino, V. Palma et al., “Tuning the selectivity of MoOx supported catalysts for cyclohexane photo oxidehydrogenation,” Catalysis Today, vol. 128, no. 3-4, pp. 251–257, 2007. View at Publisher · View at Google Scholar
  17. C. Anderson and A. J. Bard, “Improved photocatalytic activity and characterization of mixed TiO2/SiO2 and TiO2/Al2O3 materials,” Journal of Physical Chemistry B, vol. 101, no. 14, pp. 2611–2616, 1997. View at Publisher · View at Google Scholar
  18. J. S. Noh and J. A. Schwarz, “Estimation of the point of zero charge of simple oxides by mass titration,” Journal of Colloid and Interface Science, vol. 130, no. 1, pp. 157–164, 1989. View at Publisher · View at Google Scholar
  19. V. Vaiano, Heterogeneous photocatalytic selective oxidation of cyclohexane, Ph.D. thesis, 2006.
  20. T. Jin, T. Yamaguchi, and K. Tanabe, “Mechanism of acidity generation on sulfur-promoted metal oxides,” Journal of Physical Chemistry, vol. 90, no. 20, pp. 4794–4796, 1986. View at Publisher · View at Google Scholar
  21. M. Bensitel, O. Saur, J.-C. Lavalley, and B. A. Morrow, “An infrared study of sulfated zirconia,” Materials Chemistry and Physics, vol. 19, no. 1-2, pp. 147–156, 1988. View at Publisher · View at Google Scholar
  22. M. Waqif, J. Bachelier, O. Saur, and J.-C. Lavalley, “Acidic properties and stability of sulfate-promoted metal oxides,” Journal of Molecular Catalysis, vol. 72, no. 1, pp. 127–138, 1992. View at Publisher · View at Google Scholar
  23. H. G. El-Shobaky, M. Mokhtar, and A. S. Ahmed, “Effect of MgO-doping on solid-solid interactions in MoO3/Al2O3 system,” Thermochimica Acta, vol. 327, no. 1-2, pp. 39–46, 1999. View at Publisher · View at Google Scholar
  24. P. Ciambelli, M. E. Fortuna, D. Sannino, and A. Baldacci, “The influence of sulphate on the catalytic properties of V2O5-TiO2 and WO3-TiO2 in the reduction of nitric oxide with ammonia,” Catalysis Today, vol. 29, no. 1–4, pp. 161–164, 1996. View at Publisher · View at Google Scholar
  25. K. Nakamoto, Infrared and Raman Spectra of Inorganic and Coordination Compounds, John Wiley & Sons, New York, NY, USA, 4th edition, 1985.
  26. S. M. Jung and P. Grange, “Characterization and reactivity of pure TiO2-SO4 SCR catalyst: influence of SO4 content,” Catalysis Today, vol. 59, no. 3, pp. 305–312, 2000. View at Publisher · View at Google Scholar
  27. C. Martin, M. J. Martin, and V. Rives, “Oxidation catalysts obtained by supporting molybdena on silica, alumina and titania,” Studies in Surface Science and Catalysis, vol. 72, p. 415, 1992. View at Google Scholar
  28. I. E. Wachs, “Raman and IR studies of surface metal oxide species on oxide supports: supported metal oxide catalysts,” Catalysis Today, vol. 27, no. 3-4, pp. 437–455, 1996. View at Publisher · View at Google Scholar
  29. M. Cheng, F. Kumata, T. Saito, T. Komatsu, and T. Yashima, “Preparation and characterization of Mo catalysts over AlMCM-41/γ-Al2O3 extruded supports,” Applied Catalysis A: General, vol. 183, no. 1, pp. 199–208, 1999. View at Publisher · View at Google Scholar
  30. J. Twu, C. J. Chuang, K. I. Chang, C. H. Yang, and K. H. Chen, “Raman spectroscopic studies on the sulfation of cerium oxide,” Applied Catalysis B: Environmental, vol. 12, no. 4, pp. 309–324, 1997. View at Publisher · View at Google Scholar
  31. H. Einaga, S. Futamura, and T. Ibusuki, “Heterogeneous photocatalytic oxidation of benzene, toluene, cyclohexene and cyclohexane in humidified air: comparison of decomposition behavior on photoirradiated TiO2 catalyst,” Applied Catalysis B: Environmental, vol. 38, no. 3, pp. 215–225, 2002. View at Publisher · View at Google Scholar
  32. C. Xie, Z. Xu, Q. Yiang et al., “Comparative studies of heterogeneous photocatalytic oxidation of heptane and toluene on pure titania, titania—silica mixed oxides and sulfated titania,” Journal of Molecular Catalysis A, vol. 217, no. 1-2, pp. 193–201, 2004. View at Publisher · View at Google Scholar